10122020011220 has 96 divisors (see below), whose sum is σ = 23019583587840. Its totient is φ = 3716439367680.

The previous prime is 10122020011039. The next prime is 10122020011249. The reversal of 10122020011220 is 2211002022101.

10122020011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10122020011195 and 10122020011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123351605 + ... + 123433635.

It is an arithmetic number, because the mean of its divisors is an integer number (239787329040).

Almost surely, 2^{10122020011220} is an apocalyptic number.

10122020011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122020011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11509791793920).

10122020011220 is an abundant number, since it is smaller than the sum of its proper divisors (12897563576620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10122020011220 is a wasteful number, since it uses less digits than its factorization.

10122020011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84705 (or 84703 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10122020011220 its reverse (2211002022101), we get a palindrome (12333022033321).

The spelling of 10122020011220 in words is "ten trillion, one hundred twenty-two billion, twenty million, eleven thousand, two hundred twenty".